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American Innovation: Benjamin Bacons's Patent Safety Pinion: Improving Merritt Burt's Design (Part 4)

Around 1869, the National Watch Company (Elgin) faced the reality that the safety pinion used in its watch movements was inherently flawed. As a result, the company was forced to explore options to either improve on the existing design or replace it altogether. The company had utilized Merritt Burt's patented safety pinion since it introduced its first movements to the market in 1867. Burt's safety pinion relied on a threaded nut tightened atop a hollowed pinion on the center wheel arbor... Continue Reading

by Nathan Moore, 4 days ago


history Recently Posted

American Innovation: Charles W. Fogg's Safety Pinion: The Better Patent Pinion (Part 3)

While Charles W. Fogg is generally credited with creating the first safety pinion in America, Merritt Burt actually secured a patent for his safety pinion design a few months before Fogg. Despite Burt being first, Fogg's design was ultimately proven to be a more effective safety pinion. Charles W... Continue Reading

by Nathan Moore, 1 week ago


history Recently Posted

American Innovation: Merritt Burt's Safety Pinion: Inside America's First Patented Safety Pinion (Part 2)

Merritt Burt's Patent Safety Pinion (Center Wheel and Pinion from National Watch Company Movement) On September 13, 1864, Merritt Burt was granted the first patent for a safety pinion design in the United States. Patent Illustration for Merritt Burt's Safety Pinion Design At the time of the patent, Merritt Burt was a skilled watchmaker operating a successful jewelry store in Cleveland, Ohio. Merritt Burt - Clock, Watchmaker and JewelerThe Cleveland Leader and Morning HeraldCleveland, OhioWed, Mar 16, 1864 The primary objective of a safety pinion is to save the delicate watch parts from the sudden and destructive force that occurs when a mainspring breaks. Burt's safety pinion design was adopted by the National Watch Company (Elgin) shortly after the company was organized and included in watches sold from the company's market introduction in 1867 until approximately 1871... Continue Reading

by Nathan Moore, 2 weeks ago



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Serial No.: #15121
Manufacturer:U.S. Watch Co. (Marion, NJ)
Grade:George Channing
Size:18s
Model:1
Jewels:15j
Setting:Key
Finish:Gilt
Est. Date:1868
Added By:Dave895 Profile Image Dave895
4 Admirations
Serial No.: #7132609
Manufacturer:Elgin
Grade:181
Size:18s
Model:7
Jewels:21j
Setting:Lever
Finish:Nickel
Est. Date:1898
Added By:CotsRaymond Profile Image CotsRaymond
Serial No.: #40624
Manufacturer:New York Watch Co.
Grade:John Hancock
Size:18s
Model:1870
Jewels:7j
Setting:Key
Finish:Gilt
Est. Date:1873
Added By:Dave895 Profile Image Dave895
Serial No.: #57617
Manufacturer:Seth Thomas
Grade:11
Size:18s
Model:4
Jewels:7j
Setting:Key
Finish:Gilt
Est. Date:1891
Added By:SethThomasFan Profile Image SethThomasFan
2 Admirations
Serial No.: #1166133
Manufacturer:South Bend
Grade:Studebaker
Size:12s
Model:1
Jewels:21j
Setting:Pendant
Finish:Nickel
Est. Date:1926
Added By:WinterHawk62 Profile Image WinterHawk62
2 Admirations
Serial No.: #2396827
Manufacturer:Illinois
Grade:89
Size:18s
Model:6
Jewels:21j
Setting:Lever
Finish:Two-Tone
Est. Date:1912
Added By:Th4t0n3k1d78 Profile Image Th4t0n3k1d78
2 Admirations
Serial No.: #75173189
Manufacturer:Ingersoll Watch Co.
Grade:?
Size:16s
Model:Yankee
Jewels:
Setting:Pendant
Finish:Aluminum
Est. Date:1935
Added By:Wizardmaster Profile Image Wizardmaster
6 Admirations
Serial No.: #27322582
Manufacturer:Waltham
Grade:Vanguard
Size:16s
Model:1908
Jewels:23j
Setting:Lever
Finish:Gilt or Nickel
Est. Date:1931
Added By:cardinalsleeping Profile Image cardinalsleeping
4 Admirations
Serial No.: #2463625
Manufacturer:Hamilton
Grade:992
Size:16s
Model:2
Jewels:21j
Setting:Lever
Finish:Two-Tone
Est. Date:1927
Added By:ultimatekaiser Profile Image ultimatekaiser

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